212100022010131 has 32 divisors (see below), whose sum is σ = 222092720059392. Its totient is φ = 202173011927040.

The previous prime is 212100022010101. The next prime is 212100022010143. The reversal of 212100022010131 is 131010220001212.

It is a cyclic number.

It is not a de Polignac number, because 212100022010131 - 2⁷ = 212100022010003 is a prime.

It is a super-2 number, since 2×212100022010131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100022010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28689299971 + ... + 28689307363.

It is an arithmetic number, because the mean of its divisors is an integer number (6940397501856).

Almost surely, 2^{212100022010131} is an apocalyptic number.

212100022010131 is a deficient number, since it is larger than the sum of its proper divisors (9992698049261).

212100022010131 is a wasteful number, since it uses less digits than its factorization.

212100022010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212100022010131 its reverse (131010220001212), we get a palindrome (343110242011343).

The spelling of 212100022010131 in words is "two hundred twelve trillion, one hundred billion, twenty-two million, ten thousand, one hundred thirty-one".